PT - JOURNAL ARTICLE AU - Elisa Roca AU - Sophie Laroumagne AU - Stephanie Martinez AU - Hervé Dutau AU - Philippe Astoul TI - CT scanner for the pleural staging of pleural cancer: How accurate is this? DP - 2014 Sep 01 TA - European Respiratory Journal PG - P2777 VI - 44 IP - Suppl 58 4099 - http://erj.ersjournals.com/content/44/Suppl_58/P2777.short 4100 - http://erj.ersjournals.com/content/44/Suppl_58/P2777.full SO - Eur Respir J2014 Sep 01; 44 AB - Introduction CT Scanner(CT) is usefull in pleural lesions assessement,but the etiological confirmation by histology is need.Thoracoscopy is the best procedure to achieve the diagnosis.CT offers information regarding to the disease extension,but its relevance for local staging in comparison to thoracoscopy assessment is questionable.To our knowledge no study have investigated the agreement between CT and thoracoscopy for the assessment of malignant pleural lesions.Methods 100patients underwent CT before thoracoscopy,which confirmed primitive or secondary pleural cancer.Agreement between CT and thoracoscopy evaluation for local extension was analyzed using Cohen's kappa coefficient(k) for categorical data.Results The comparison between CT and thoracoscopy showed:no agreement for the assessment of visceral pleural involvement and presence of lymphangitis(k=0,000,k=0,000,and k=-0,036 respectively);a slight agreement for the assessment of diaphragmatic and mediastinal pleural involvement,presence of nodules on the parietal pleura,loculated pleural effusion and lung involvement(k=0,038,k=0,186,k=0,160,k=0,040,k=0,029 respectively);and a fair agreement for the assessment of nodules on the mediastinal pleura(k=0,314).Conclusion CT data may be predictive of thoracoscopic features in patients with primary pleural cancer or pleural metastasis in case of nodular invasion of mediastinal pleural but failed to detect pleural lymphangitis and visceral pleural involvement, the latest being a pejorative pronostic parameter.Therefore a substantial degree of disagreement exists during the two procedures and supports thoracoscopy as the gold standard for assessment of suspicious pleural lesions.